US3540568A - Apparatus for turning and aligning of workpieces - Google Patents

Apparatus for turning and aligning of workpieces Download PDF

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Publication number
US3540568A
US3540568A US738047A US3540568DA US3540568A US 3540568 A US3540568 A US 3540568A US 738047 A US738047 A US 738047A US 3540568D A US3540568D A US 3540568DA US 3540568 A US3540568 A US 3540568A
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United States
Prior art keywords
workpieces
turning
workpiece
turning device
aligning
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US738047A
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English (en)
Inventor
Oskar Wellauer
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Individual
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Individual
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Publication date
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Publication of US3540568A publication Critical patent/US3540568A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/16—Loading work on to conveyors; Arranging work on conveyors, e.g. varying spacing between individual workpieces
    • B23Q7/165—Turning devices

Definitions

  • Sroka Attorney- Kemon, Palmer and Estabrook ABSTRACT Apparatus for turning and aligning of workpieces, particularly for incorporation into a production line including wood working machines for working wooden panels along the side edges thereof comprises a conveyer track formed by two successively arranged belt conveyer sections, a turning device arranged at one side of the conveyer track and provided with stop members and with clamping means for the workpieces fed by one of the conveyer sections to the turning devices to be rotated through 90 and then moved along in aligned position by the other conveyer section.
  • the present invention relates to apparatus for turning and aligning of workpieces of the kind comprising a conveyer track, a turning device cooperating with'the conveyer track and stop members for the work pieces.
  • the apparatus is particularly intended to form a portion of a production line, i.e. the portion of a production line between two operating stations, between which a workpiece must be turned through 90.
  • a particular field of application of the apparatus according to the invention is a production line'including wood-working machines on which wood panels and the like shall be worked for example on all four edges.
  • the turning device In the apparatus according to the invention comprising a conveyer track, a turning device cooperating with the track and stop members for the workpieces, the turning device is arranged laterally on the conveyer track.
  • This simple disposition permits the establishment of rectilinear production lines on which the workpieces are guided along a laterally extending line and can be aligned on this line.
  • the turning device conveniently is formed as a rotary plate with a clamping mechanism for the workpieces.
  • the stops 7 preferably are fixed to the turntable and are adjustable in longitudinal direction.
  • the apparatus may be automatically operated by means of suitably positioned switches.
  • HO. 1 is a perspective view of apparatus for turning and aligning workpieces suitable for incorporation in a production line comprising wood working machines.
  • FIG. 2 is a plan view on the apparatus according to FIG. 1, incorporated between two machines for working the side edges ofa wood panel.
  • the apparatus for, turning and aligning workpieces for example wood panels, shown in FIG. 1, comprises essentialy a two-piece conveyer track la, 1b and a turning device 2 having stops 3, 4, 5 and 6.
  • the two parts la, 1b of the conveyer track are disposed in a frame 8 supported on the floor by legs 7, and comprise a plurality of belts 9 and 10, respectively, disposed side by side and driven in the direction of the marked arrow, aswell as a plurality of rolls or balls lll'arranged on different radii around the centre 0 of the turning device 2.
  • this piece is supported by the belts 9 or 10 without touching the rolls l1. lf, however, a workpiece has to be turned, the continuously travelling belts 9 and 10 are lowered until the workpiece comes to rest on the rolls 11.
  • the turning device 2 comprises a lower rotary plate 13 on which the stop arms 3, 4,5 and 6 are radially mounted at a 90 displacement, and an upper plate 14 which may reciprocate relative to the lower plate vertically along the rotation axis of the plates l3, 14.
  • the turning device 2 is rotated through conveniently by means of a step by step mechanism or indexing switch, then the plate 14 automatically moves upwards again and releases the clamping, whereafter the belts 10 of the conveyer track portion 1b driven in the direction of the arrow, are lifted, the workpiece which is exactly aligned, is transported further on and arrives'at thenext following operating station.
  • the arms 3, 4, 5 and 6 are telescoped, i.e. their length can be adjusted in order to serve as efficient stops for workpieces of all sizes.
  • the operation of the apparatus is effected by several electromotors (not shown), all operating cycles being exactly synchronized.
  • the clamping device for the workpieces (plates 13 and 14) may be hydraulically operated, but also an elec-
  • the described apparatus operates as follows: It is supposed that a workpiece in the form of a plate to be worked on all sides is discharged by the operating station 20, for example'a milling machine and arrives on the conveyer track 1a The workpiece will be advanced by means of the conveyer belts 9 driven continuously in the direction of the arrow and will abut against the stops 3 and 4. Upon arrival on the stop 4, a limit switch 25 is actuated and releases the following operations:
  • the continuously moving belts 9 and 10 are lowered and the workpiece comes to rest on the balls or rolls ll, b. approximatively at the same time the plate 14 is moved downwardly and clamps the workpiece between itself and the plate 13, v c. the turning device is indexed through 90 by observing a suitable retardation time, d. after rotation of the workpiece through 90 the clamping action is automatically eliminated, i.e. the plate 14 moves upwardly and the belts 9 and 10 are again lifted and move position already during the progress of the rotating movement of the workpiece by means of the device 2.
  • stop arms 5, 6'and 3. are equipped with control switches 22,23, 24 and'25.
  • the described apparatus permits transportation of a workpiece from one machine 20 to a second machine 21,- to turn the workpiece through 90 between these stations and to have it always aligned with'a A-A (extension 'of the stop arms 3 and 5, for example).
  • the clamping device can be provided with the turning table 13 only which can be equipped with suction elements connected to a vacuum pump in order to retain the workpieces during rotation.
  • the stops for the workpiece can be formed by elements of relatively small length fixed to the plate 13, to which elements extensions can be atbers for workpieces mounted on the turning device, said turning device being arranged laterally on the conveyor track for stepwise rotation through four 90 steps about a vertical axis, said stop members being formed by straight arms extending radially from the center of the turning device and being angularly spaced 90 to one another, two of said arms, in each rest position of'the turning device, being aligned substantially with the side edge of the conveyor track on which the turning device is mounted, and another of said arms, in the same position of the turning device, extending at right angles with respect to said side edge over at least part of said conveyor track.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Automatic Assembly (AREA)
US738047A 1967-06-22 1968-06-18 Apparatus for turning and aligning of workpieces Expired - Lifetime US3540568A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT580467A AT276230B (de) 1967-06-22 1967-06-22 Einrichtung zum Drehen und Ausrichten von Werkstücken

Publications (1)

Publication Number Publication Date
US3540568A true US3540568A (en) 1970-11-17

Family

ID=3579778

Family Applications (1)

Application Number Title Priority Date Filing Date
US738047A Expired - Lifetime US3540568A (en) 1967-06-22 1968-06-18 Apparatus for turning and aligning of workpieces

Country Status (6)

Country Link
US (1) US3540568A (de)
AT (1) AT276230B (de)
CH (1) CH478631A (de)
DE (2) DE6602073U (de)
FR (1) FR1580293A (de)
GB (1) GB1237439A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854610A (en) * 1973-04-09 1974-12-17 Cochran Boothe Airport Syst Freight transporter and loader for aircraft
US5458226A (en) * 1992-11-19 1995-10-17 Fuji Electric Co., Ltd. Rotatable apparatus for transformer core plates
EP1815516A2 (de) * 2004-11-23 2007-08-08 First Solar US Manufacturing, LLC System und verfahren zur filmentfernung von ebenen substratperipherien

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117859A1 (de) * 1981-05-06 1982-11-25 Focke & Co, 2810 Verden "verfahren und vorrichtung zum transport von packungen oder dergleichen von einer zufoerderbahn in eine abfoerderbahn"

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854610A (en) * 1973-04-09 1974-12-17 Cochran Boothe Airport Syst Freight transporter and loader for aircraft
US5458226A (en) * 1992-11-19 1995-10-17 Fuji Electric Co., Ltd. Rotatable apparatus for transformer core plates
EP1815516A2 (de) * 2004-11-23 2007-08-08 First Solar US Manufacturing, LLC System und verfahren zur filmentfernung von ebenen substratperipherien
EP1815516A4 (de) * 2004-11-23 2011-06-29 First Solar Inc System und verfahren zur filmentfernung von ebenen substratperipherien

Also Published As

Publication number Publication date
GB1237439A (en) 1971-06-30
FR1580293A (de) 1969-09-05
DE1756590A1 (de) 1970-04-09
CH478631A (de) 1969-09-30
AT276230B (de) 1969-11-25
DE6602073U (de) 1969-04-24

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